23344-16-3 6,9:23,24a-Dimethano-24aH-m-dioxino[4,5,6-st][4]benzazacycloheneicosine-7,11,26(10H,16H)-trione, 17,18,19,20,21,22,23,24-octahydro-5,16,17,19,20,21,25-heptahydroxy-24-(2-hydroxypropenyl)-23-methoxy-4,8,12,16,18,22,24-heptamethyl-, 21,24-diacetate 6,9:23,24a-Dimethano-24aH-m-dioxino[4,5,6-st][4]benzazacycloheneicosine-7,11,26(10H,16H)-trione, 17,18,19,20,21,22,23,24-octahydro-5,16,17,19,20,21,25-heptahydroxy-24-(2-hydroxypropenyl)-23-methoxy-4,8,12,16,18,22,24-heptamethyl-,21,24-diacetate NSC48810 STREPTOVARICIN A Streptovaricin complex, fraction a Streptovaricinoic acid, 16-hydroxy-, methyl ester, 21-acetate